16604420610 has 16 divisors (see below), whose sum is σ = 39850609536. Its totient is φ = 4427845488.

The previous prime is 16604420597. The next prime is 16604420617. The reversal of 16604420610 is 1602440661.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 553480687 = 16604420610 / (1 + 6 + 6 + 0 + 4 + 4 + 2 + 0 + 6 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (16604420617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276740314 + ... + 276740373.

It is an arithmetic number, because the mean of its divisors is an integer number (2490663096).

Almost surely, 2^16604420610 is an apocalyptic number.

16604420610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16604420610 is an abundant number, since it is smaller than the sum of its proper divisors (23246188926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16604420610 is a wasteful number, since it uses less digits than its factorization.

16604420610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553480697.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 16604420610 in words is "sixteen billion, six hundred four million, four hundred twenty thousand, six hundred ten".